Home / 127,940.64-176,555.40-70,585.20

Finding the Fourth Proportional to 127,940.64, 176,555.40 and 70,585.20

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Solution

The fourth proportional to 127,940.64, 176,555.40 and 70,585.20 is: 97,406.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,940.64 : 176,555.40 = 70,585.20 : x
  2. Step 2: Convert to fraction form
    127,940.64/176,555.40 = 70,585.20/x
  3. Step 3: Cross multiply
    127,940.64x = 176,555.40 × 70,585.20
  4. Step 4: Simplify right side
    127,940.64x = 12,462,198,220.08
  5. Step 5: Solve for x
    x = 12,462,198,220.08/127,940.64
  6. Step 6: Final answer
    x = 97,406.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.